Finding the Fourth Proportional to 8,636,577.29, 12,956,692.80 and 3,245,274.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636,577.29 : 12,956,692.80 = 3,245,274.42 : x
2. Step 2: Convert to fraction form
   8,636,577.29/12,956,692.80 = 3,245,274.42/x
3. Step 3: Cross multiply
   8,636,577.29x = 12,956,692.80 × 3,245,274.42
4. Step 4: Simplify right side
   8,636,577.29x = 42,048,023,647,836.73
5. Step 5: Solve for x
   x = 42,048,023,647,836.73/8,636,577.29
6. Step 6: Final answer
   x = 4,868,598.09